Re: Auto creation of Partitions
От | Zeugswetter Andreas ADI SD |
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Тема | Re: Auto creation of Partitions |
Дата | |
Msg-id | E1539E0ED7043848906A8FF995BDA57901D42D80@m0143.s-mxs.net обсуждение исходный текст |
Ответ на | Re: Auto creation of Partitions ("Luke Lonergan" <llonergan@greenplum.com>) |
Ответы |
Re: Auto creation of Partitions
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Список | pgsql-hackers |
> > What is really needed is a data structure that allows range partitions > > to be accessed more efficiently. This could make adding partitions and > > deciding in which partition a specific value goes an O(logN) operation. > > I think we need to re-evaluate the inheritance mechanism for > partitioning and implement something much closer to the > storage layer, similar to Oracle. > > Having the constraint exclusion occur in the planner is not > flexible enough to allow more advanced solutions. Whoa, do you have anything to back that up ? You would need to elaborate what you actually mean, but I think it is moot. Sure, the constraint technique can be further extended (e.g. during runtime), but imho the approach is very good. Andreas
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